Home / 1,065,823.97-1,598,742.90-426,181.46

Finding the Fourth Proportional to 1,065,823.97, 1,598,742.90 and 426,181.46

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Solution

The fourth proportional to 1,065,823.97, 1,598,742.90 and 426,181.46 is: 639,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,823.97 : 1,598,742.90 = 426,181.46 : x
  2. Step 2: Convert to fraction form
    1,065,823.97/1,598,742.90 = 426,181.46/x
  3. Step 3: Cross multiply
    1,065,823.97x = 1,598,742.90 × 426,181.46
  4. Step 4: Simplify right side
    1,065,823.97x = 681,354,575,292.92
  5. Step 5: Solve for x
    x = 681,354,575,292.92/1,065,823.97
  6. Step 6: Final answer
    x = 639,274.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.